1 files changed, 53 insertions, 0 deletions
diff --git a/packages/gitbook/src/modifiers/summary/__tests__/removeArticle.js b/packages/gitbook/src/modifiers/summary/__tests__/removeArticle.js
new file mode 100644
index 0000000..14587ca
--- /dev/null
+++ b/packages/gitbook/src/modifiers/summary/__tests__/removeArticle.js
@@ -0,0 +1,53 @@
+const Summary = require('../../../models/summary');
+const File = require('../../../models/file');
+
+describe('removeArticle', function() {
+    const removeArticle = require('../removeArticle');
+    const summary = Summary.createFromParts(File(), [
+        {
+            articles: [
+                {
+                    title: '1.1',
+                    path: '1.1'
+                },
+                {
+                    title: '1.2',
+                    path: '1.2'
+                }
+            ]
+        },
+        {
+            title: 'Part I',
+            articles: [
+                {
+                    title: '2.1',
+                    path: '2.1',
+                    articles: [
+                        {
+                            title: '2.1.1',
+                            path: '2.1.1'
+                        },
+                        {
+                            title: '2.1.2',
+                            path: '2.1.2'
+                        }
+                    ]
+                },
+                {
+                    title: '2.2',
+                    path: '2.2'
+                }
+            ]
+        }
+    ]);
+
+    it('should remove an article at a given level', function() {
+        const newSummary = removeArticle(summary, '2.1.1');
+
+        const removed = newSummary.getByLevel('2.1.1');
+        const nextOne = newSummary.getByLevel('2.1.2');
+
+        expect(removed.getTitle()).toBe('2.1.2');
+        expect(nextOne).toBe(null);
+    });
+});